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2013 Feb 26
4
passthroughed msix device
...rq 4f gvec 59 pt_msixctrl_reg_write: guest enabling MSI-X, disable MSI-INTx translation pci_intx: intx=1 pt_msi_disable: Unmap msi with pirq 4e pt_msix_update_one: Update msix entry 0 with pirq 4e gvec 69 pci_msix_writel: Can''t update entry 0 since MSI-X is already enabled (fee00000 -> fee02000) pci_msix_writel: Can''t update entry 0 since MSI-X is already enabled (00004059 -> 00004071) Can''t reproduce with uek2(3.1 stable), but if I disable hvm_pirqs support in uek2, reproduce the same. Test patch below: diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index a2...